• Chinese Journal of Lasers
  • Vol. 47, Issue 12, 1204009 (2020)
Chu Yufei1、2, Liu Dong1、2, Wu Decheng1、2, and Wang Yingjian1、2、*
Author Affiliations
  • 1Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2University of Science and Technology of China, Hefei, Anhui 230036, China
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    DOI: 10.3788/CJL202047.1204009 Cite this Article Set citation alerts
    Chu Yufei, Liu Dong, Wu Decheng, Wang Yingjian. Algorithm of Retrieving Boundary Layer Height Based on Raman Lidar Water Vapor Data[J]. Chinese Journal of Lasers, 2020, 47(12): 1204009 Copy Citation Text show less
    Flow chart of PBL height is obtained by DP segmentation algorithm
    Fig. 1. Flow chart of PBL height is obtained by DP segmentation algorithm
    Vertical profiles based on water vapor data of Raman lidar at different times. (a) 5:30; (b) 11:30; (c) 17:30; (d) 21:30
    Fig. 2. Vertical profiles based on water vapor data of Raman lidar at different times. (a) 5:30; (b) 11:30; (c) 17:30; (d) 21:30
    Boundary layer heights retrieved by DP slope algorithm
    Fig. 3. Boundary layer heights retrieved by DP slope algorithm
    Boundary layer heights based on Raman lidar water vapor data and sounding data
    Fig. 4. Boundary layer heights based on Raman lidar water vapor data and sounding data
    Height agreement of boundary layer based on Raman lidar and airsonde data
    Fig. 5. Height agreement of boundary layer based on Raman lidar and airsonde data
    Comparison of boundary layer heights based on Raman lidar water vapor data and radiosonde data
    Fig. 6. Comparison of boundary layer heights based on Raman lidar water vapor data and radiosonde data
    ParameterContent
    LaserTripled Nd∶YAG
    Wavelength/nm355
    Pulse energy/mJ300--400
    Pulse repetition frequency/Hz30
    Beam diameter/cm13 (~0.1mrad divergence)
    Bandwidth/cm-1~2
    Filter transmission/%30--40
    WFOV/mrad2
    NFOV/mrad0.3
    DatastreamSgpdlfptc1.b1
    Table 1. Raman lidar related parameters at SGP site[14]
    Potential temperature/KWater vapor/(g·kg-1)
    2630
    2734
    2838
    29312
    30316
    31320
    32324
    Table 2. Relationship between potential temperature and water vapor content
    Chu Yufei, Liu Dong, Wu Decheng, Wang Yingjian. Algorithm of Retrieving Boundary Layer Height Based on Raman Lidar Water Vapor Data[J]. Chinese Journal of Lasers, 2020, 47(12): 1204009
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